/**
 * 
 */
package org.cuatrovientos.erp.controller;

import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.validation.Valid;
import org.apache.log4j.Logger;
import org.cuatrovientos.erp.business.SupplierBO;
import org.cuatrovientos.erp.model.Supplier;
import org.springframework.stereotype.Controller;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.beans.factory.annotation.Autowired;



/**
 * @author Daniel Lacasta
 */
@Controller
public class SupplierController {

	// Get log4j logger
	private static final Logger logger = Logger.getLogger(SupplierController.class);

	@Autowired
    private SupplierBO supplierBO;
    
        /**
         * default constructor
         */
        public SupplierController () {
               logger.info("Supplier BEAN instantiated");
                
        }
        
        
        
        /**
         * handles default /supplier or /supplier/list request
         * @param model
         * @return the name of the view to show
         *  @RequestMapping({"/supplier","/supplier/list"})
         */
        @RequestMapping({"/supplier","/supplier/list"})
        public ModelAndView supplierDefault() {
        	logger.info("default");
 
                Map<String, Object> model = new HashMap<String, Object>();

                List<Supplier> supplierLst = supplierBO.selectAll();
                model.put("suppliers", supplierLst );
                return new ModelAndView("SupplierLst", model);     
        }



        /**
         * handles delete supplier, and redirect to supplier default
         * @param model
         * @return the name of the view to show
         *  @RequestMapping({"/supplier","/supplier/list"})
         */
        @RequestMapping(method=RequestMethod.GET,value={"/supplier/delete"})
        public String deleteSupplier(@RequestParam(value="id", defaultValue="", required=true) int id) {
        	logger.info("delete " + id);

            supplierBO.deleteById(id);
            return "redirect:/supplier";

        }
        
        /**
         * handles new supplier request. In the jsp we are using spring's form:form tags
         * Spring expects a model called by default 'command' or any name
         * we set to it: in this case "supplier"
         * @return the name of the view to show
         * @RequestMapping({"/supplier/new"})
         */
        @RequestMapping(method=RequestMethod.GET,value={"/supplier/new"})
        public ModelAndView newSupplier() {
        		logger.info("new supplier ");
                Supplier supplier = new Supplier();
               
                return new ModelAndView("NewSupplier", "supplier", supplier);
        }
        
        /**
         * handles new supplier request. In the jsp we are using spring's form:form tags
         * Spring expects a model called by default 'command' or any name
         * we set to it.
         * @return the name of the view to show
         * @RequestMapping({"/supplier/new"})
         */
        @RequestMapping(method=RequestMethod.POST,value={"/supplier/save"})
        public String newSupplier(@Valid Supplier supplier, BindingResult bindingResult) {
        		logger.info("new supplier " + supplier.toString());
        		
        		// In case of validation errors, go back to form
        		if (bindingResult.hasErrors()) {
        			Map<String, Object> model = new HashMap<String, Object>();
        			model.put("supplier", supplier);
        			return "NewSupplier";
        		}
        		
        		// If data is ok, insert and go on
                supplierBO.insert(supplier);
                return "redirect:/supplier";
        }
        
        /**
         * handles delete supplier, and redirect to supplier default
         * @param model
         * @return the name of the view to show
         *  @RequestMapping({"/supplier","/supplier/list"})
         */
        @RequestMapping(method=RequestMethod.GET,value={"/supplier/detail"})
        public ModelAndView supplierDetail(@RequestParam(value="id", defaultValue="", required=true) int id) {
        	logger.info("Detail " + id);
            Map<String,Object> model = new HashMap<String,Object>();
            Object supplier = supplierBO.selectById(id);
            model.put("supplier", supplier);
            
            return new ModelAndView("SupplierDetail",model);

        }
        
        /**
         * handles supplier update, first part: register loaded
         * @param model
         * @return the name of the view to show
         *  @RequestMapping({"/supplier/update"})
         */
        @RequestMapping(method=RequestMethod.GET,value={"/supplier/update"})
        public ModelAndView update(@RequestParam(value="id", defaultValue="", required=true) int id) {
        	logger.info("update " + id);
                Map<String,Object> model = new HashMap<String,Object>();
                Object supplier = supplierBO.selectById(id);
                model.put("supplier", supplier);
               return new ModelAndView("UpdateSupplier",model);

        }
        
        /**
         * handles save update supplier request. In the jsp we are using spring's form:form tags
         * Spring expects a model called by default 'command' or any name
         * we set to it.
         * @return the name of the view to show
         * @RequestMapping({"/supplier/saveUpdate"})
         */
        @RequestMapping(method=RequestMethod.POST,value={"/supplier/saveupdate"})
        public String saveUpdate(@Valid Supplier supplier, BindingResult bindingResult) {
        		logger.info("update supplier " + supplier.toString());
        		
        		// In case of validation errors, go back to form
        		if (bindingResult.hasErrors()) {
        			Map<String, Object> model = new HashMap<String, Object>();
        			model.put("supplier", supplier);
        			return "UpdateSupplier";
        		}
        		
                supplierBO.update(supplier);
                return "redirect:/supplier";
        }
}
